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  • Title: Effects of acetone extract of Cola nitida on brain sodium-potassium adenosine triphosphatase activity and spatial memory in healthy and streptozotocin-induced diabetic female Wistar rats.
    Author: Imam-Fulani AO, Sanusi KO, Owoyele BV.
    Journal: J Basic Clin Physiol Pharmacol; 2018 Jul 26; 29(4):411-416. PubMed ID: 29634481.
    Abstract:
    Background This study was carried out to investigate the effects of acetone extract of Cola nitida on brain Na+/K+-ATPase activity and spatial memory of healthy and streptozotocin (STZ)-induced diabetic female Wistar rats. Methods Forty-two female Wistar rats were used for this study and were randomly distributed into six groups (n=7). Rats in group 1 were used as control and were administered normal saline; group 2 rats were healthy rats administered 50 mg/kg of kola nut extract per day; group 3 rats were healthy rats administered 100 mg/kg of kola nut extract per day; group 4 rats were a diabetic group also administered normal saline; group 5 rats were diabetic rats administered 50 mg/kg of kola nut extract per day; and group 6 rats were diabetic rats administered 100 mg/kg of kola nut extract per day. Diabetes was induced with 50 mg/kg of STZ. After 3 weeks of administration, the spatial memories of the rats were tested using the Y-maze, followed by assay of Na+/K+-ATPase activity. Results The result shows a significant increase in Na+/K+-ATPase activity of diabetic treated groups (5 and 6) when compared with the diabetic group (4) and a significant increase in Na+/K+-ATPase activity of healthy treated groups (2 and 3) when compared with control. Also, there was a significant increase in spatial memory of the diabetic treated groups when compared with diabetic group. Conclusions This study revealed that kola nut extract has restorative effect on brain Na+/K+-ATPase activities and spatial memory of STZ-induced diabetic female Wistar rats.
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